/**
 * @Auther: ZZX
 * @Date: 2024/7/18-07-18-21:06
 * @Description: PACKAGE_NAME
 */
public class Demo1 {
    public static void main(String[] args) {
        System.out.println("hello world");
        System.out.println(); //println会打印出换行 print不会打印出换行
    }
}
